Operating Manual
16
In case of difficulty
If you have difficulty with your thermostat, please try the suggestions below. Most
problems can be corrected quickly and easily.
Display is blank • Make sure fresh AA alkaline batteries are correctly installed (see page 15).
Heating or
cooling system
does not respond
• Set system switch to Heat
(see page 7). Make sure the temperature is
set higher than the Inside temperature.
• Set system switch to Cool (see page 7). Make sure the temperature is
set lower than the Inside temperature.
• Check circuit breaker and reset if necessary.
• Make sure power switch at heating & cooling system is on.
• Make sure furnace door is closed securely.
• Wait 5 minutes for the system to respond.
